Empleos de junior java software engineers en Barcelona

Make a tangible impact every day When companies choose Alan, HR teams are the ones making it happen: enrolling employees, managing payroll contributions, and handling billing. Our mission is to make these processes frictionless, reliable, and even delightful. As a Software Engineer on this team, you will: * Engineer our employee affiliation engine: reliably...

Smadex is a cutting-edge ad-tech company: we process more than 4,5 million ad requests per second , replying under 100ms (for reference, the Google search engine handles ~76,000 QPS). Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real-time components get smarter every day. We need you to...

About Workato Workato is the leading Control and Execution Platform for Enterprise AI — the neutral platform enterprises trust to put AI to work across their business. Workato unifies data, applications, and processes into a single platform so AI can reliably orchestrate business processes in production at enterprise scale. Built on more than a decade of...

Overview In this role you will drive security across the product lifecycle for an AI-powered enterprise platform. You’ll partner with engineering teams to bake security into design, development, and deployment, addressing risk early and continuously. You’ll lead threat modeling, reviews, and secure coding practices while enabling product teams with...

Overview In this role you help advance GenAI-powered solutions within OLX’s Generative AI Innovation team. You’ll contribute to planning, building, and deploying scalable cloud-native software, collaborating with cross-functional teams to ship impact-driven AI applications. You will mentor juniors, drive innovation, and help shape the engineering...

Your missionAs a Junior Site Reliability Engineer, you will be working in a stable team with principal and senior engineers providing support to our internal software engineering teams, maintaining existing applications and platforms while contributing to the next-generation application development and participating in weekly and easy on-call...

Overview As a Senior Infrastructure & Cloud Engineer, you design, implement, and operate scalable, secure infrastructure across AWS and on-premises. You will evolve Fever’s hybrid cloud strategy and support critical services at scale, collaborating across Platform Engineering, Security, DevOps, and Software Engineering. You’ll balance hands-on delivery...

Overview As a Senior Implementation Consultant, you design and deliver scalable technical solutions during late-stage sales and onboarding. You act as a trusted technical advisor, guiding high-impact projects and mentoring teammates to boost client success. You bridge discovery and delivery to ensure lasting value for strategic accounts. You’ll leverage AI...

Elastic in Spain seeks a Principal Software Engineer to join the Elasticsearch Performance team. You will lead architectural and code-level performance initiatives to optimize Elasticsearch across distributed environments. You will mentor engineers, design AI-assisted optimization techniques, build profiling and benchmarking automation, and partner across...

* Degree in Computer Science, Engineering, or equivalent professional experience. * 5+ years of relevant professional experience in data engineering, including leading technical workstreams, mentoring junior engineers, and driving software engineering best practices across teams. * Expert-level proficiency in Python and SQL, with the ability to work...

Senior Backend Engineer Who is Parser? Technology alone does not create impact - the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are a fast-growing team of 340+ engineers...

CaixaBank Tech Somos la filial tecnológica de CaixaBank que provee de servicios al Grupo, tanto a nivel nacional como internacional, con visión corporativa y actuando como elemento estratégico que acompaña al negocio a través de la tecnología y de la innovación. ACTUALMENTE BUSCAMOS….   Para participar en este proceso de selección y asegurar...

We are looking for an experienced Senior Middle-Level DevOps Engineer to join our growing team You will be responsible for designing, implementing, and maintaining scalable, secure, and highly available infrastructure and CI/CD platforms that support our software development lifecycle. You will collaborate closely with Software Engineers, QA, Security, and...

**Overview** We are looking for a MLOps Architect to own the end-to-end design, evolution, and governance of our Kubeflow-based MLOps platform on Azure. This role is responsible for platform architecture, long-term technical strategy, system reliability, upgrades, cost optimization, and introducing new MLOps capabilities while ensuring zero or minimal impact...

We are still looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology...

Overview Senior Backend Engineer position at Parser, a boutique technology services and consulting firm founded in 2018. Parser helps global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are a fast-growing team of 340+ engineers and consultants across Europe, the Americas, and the...

Remote opportunity within Spain Deep Digital are seeking a highly skilled and experienced Senior Data Engineer with a proven track record in successfully implementing, optimizing, and maintaining the data integration and historian systems. This role involves advanced technical responsibilities and collaboration with cross-functional teams to ensure the...

Role Overview Lead the architectural evolution of a complex airline and loyalty platform ecosystem undergoing major transformation. The role requires a hands‑on, delivery-focused architect who can balance long‑term architectural vision with practical implementation in a fast-changing environment. Key Responsibilities * Define and evolve end-to-end...

WELCOME TO OLX We're building marketplace sustainable ecosystems that millions of people depend on every month – to buy and sell cars, find homes, land jobs, and trade secondhand goods. It's commerce that matters: safe, smart, and environmentally responsible. We do this with courage to innovate, commitment to outcomes, collaboration across 50+...

**Craft:** **Job Description:** At King, we build products and services that help millions of players enjoy our games every day. The **Player Support Innovation and Development team** develops the technology behind modern player support experiences, helping players quickly find answers, resolve issues, and get back to playing. As a **Software...